The efficiency of the a screw jack is maximum, when – McqOptions

MCQOPTIONS

1.	The efficiency of the a screw jack is maximum, when
A.	α = 450 + ɸ/2
B.	α = 450 – ɸ/2
C.	α = 900 + ɸ
D.	α = 900 – ɸ
Answer» C. α = 900 + ɸ

Discussion

No Comment Found

Related MCQs

The efficiency of the a screw jack is maximum, when
In a screw jack, the effort required to lower the load W is given by
In a screw jack, the effort required to lift the load W is given by
A body of weight W is required to move up the rough inclined plane whose angle of inclination with the horizontal is α. The effort applied parallel to the plane is given by
THE_LOAD_CUP_OF_A_SCREW_JACK_IS_MADE_SEPARATE_FROM_THE_HEAD_OF_THE_SPINDLE_TO?$
The_efficiency_of_the_a_screw_jack_is_maximum,_when$
Efficiency of a screw jack is given b?
The frictional torque for square thread at the mean radius r while raising load W is given by
The coefficient of friction is the ratio of the limiting friction to the normal reaction between the two bodies.
A body of weight W is required to move up the rough inclined plane whose angle of inclination with the horizontal is ‚âà√≠¬¨¬±. The effort applied parallel to the plane is given by$